Chad E. Hermsdorf, PA-C
NPI 1952369134ActiveIndividual· Physician Assistant· Brooklyn, WI
Physician Assistant (PA-C) with Mercy Health System Corporation, practicing in Brooklyn, Wisconsin. Mostly services rather than prescriptions: Medicare paid $4,154 for 25 patients in 2024, with only 28 Part D claims. Edwards Lifesciences Corporation was the largest of 2 companies reporting payments in 2025, $67.38 in all, mostly food and beverage. Lists Mercy Health System Corp and 1 other hospital as hospital affiliations.
Overview
| NPI | 1952369134 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Apr 9, 2026 |
| Certified by provider | Apr 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1741-023 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 49 across 16 procedure codes |
| Paid by Medicare | $4,154 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 46 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $220.29 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mercy Health System CorporationJanesville, WI · 753 clinicians
Hospital affiliations
- Mercy Health System CorpJanesville, WI
- Mercy Walworth Hospital & Medical CenterLake Geneva, WI
Industry payments (Open Payments)
- 2025$67.38 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $38.95 | 2 |
| Atricure, Inc. | $28.43 | 1 |
What the 2025 payments were for
- Food and Beverage$67.38 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records